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| import * as THREE from 'three'; | |
| import { ShaderPass } from 'three/addons/postprocessing/ShaderPass.js'; | |
| import { BokehShader } from 'three/addons/shaders/BokehShader.js'; | |
| /** Reuse the beauty pass's depth. Transparent wings must not become opaque | |
| * depth sheets, and focusing must not require a second geometry render. */ | |
| export class MacroDOFPass extends ShaderPass { | |
| constructor(camera) { | |
| super(BokehShader, 'tColor'); | |
| this.camera = camera; | |
| // Preserve the filtered coverage for the final backdrop composite. | |
| this.material.fragmentShader = this.material.fragmentShader.replace( | |
| 'gl_FragColor.a = 1.0;', | |
| '', | |
| ); | |
| this.material.defines.DEPTH_PACKING = 0; | |
| this.uniforms.aperture.value = 0.0012; | |
| this.uniforms.maxblur.value = 0.004; | |
| } | |
| setSize(width, height) { | |
| this.uniforms.aspect.value = width / height; | |
| } | |
| render(renderer, writeBuffer, readBuffer) { | |
| this.uniforms.tDepth.value = readBuffer.depthTexture; | |
| this.uniforms.nearClip.value = this.camera.near; | |
| this.uniforms.farClip.value = this.camera.far; | |
| super.render(renderer, writeBuffer, readBuffer); | |
| } | |
| } | |
| export function attachDepthBuffers(composer, renderer) { | |
| for (const target of [composer.renderTarget1, composer.renderTarget2]) { | |
| target.depthTexture = new THREE.DepthTexture( | |
| target.width, | |
| target.height, | |
| THREE.UnsignedIntType, | |
| ); | |
| target.samples = Math.min(2, renderer.capabilities.maxSamples); | |
| } | |
| } | |